Question 34
a) Find the expected number of flips to get two heads in a row.
b) Find the expected number of flips to get heads followed by tails.
b) Find the expected number of flips to get heads followed by tails.
MathNet 2022-part-06 — 196 problems (EN–VI) Question 34
Math Olympiad Vault · MathNet 2022-part-06 — 196 problems (EN–VI)